Dorman 674-249 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-249 exhaust manifold is engineered to provide reliable exhaust flow for select Chevrolet and GMC vans and trucks. Designed with a natural cast iron finish and square port shape, this manifold ensures a precise fit and long-lasting performance for your vehicle.

• Constructed from durable cast iron material for strength and heat resistance
• Natural color finish with square port shape for optimal exhaust flow
• Includes mounting hardware: 3 studs, 3 nuts, and 3 springs for secure installation
• Comes with an exhaust manifold gasket and heat shield for complete replacement
• Compatible with Chevrolet and GMC models including G10, G20, G30, P20, P30, P2500, and P3500

Product Details and Specifications

The Dorman 674-249 exhaust manifold is designed to meet the regular grade type standards, providing a balance of durability and cost-effectiveness. Its cast iron construction offers excellent resistance to high temperatures and corrosion, which is critical for maintaining exhaust system integrity. The included heat shield helps protect surrounding components from excessive heat, while the square port shape ensures proper alignment and exhaust gas flow. This manifold package includes all necessary mounting hardware and a gasket, simplifying the replacement process.

Compatible Vehicles and Applications

This exhaust manifold is compatible with a range of Chevrolet and GMC vans and trucks, specifically the G10, G20, G30, P20, P30, P2500, and P3500 models. It is ideal for owners seeking a direct replacement part that maintains factory specifications and fitment.

• Replaces worn or cracked exhaust manifolds causing exhaust leaks
• Addresses manifold gasket failures leading to noise and emissions issues
• Solves heat shield damage that can cause heat-related component wear
• Restores proper exhaust flow to improve engine performance and efficiency

Installation Notes and Tips

Installation of the Dorman 674-249 exhaust manifold should be performed with care to ensure proper sealing and fitment. Use the included gasket and mounting hardware to secure the manifold firmly. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion before installation. Torque all fasteners to manufacturer specifications to prevent leaks and ensure longevity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 674-249 exhaust manifold undergoes quality checks to ensure durability and fitment accuracy. This product includes a limited warranty covering defects in material and workmanship, providing confidence in your replacement part.